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PATENTED DEG. 1, 1863 s. n. GOODALE. STEREOSGOPIG APPARATUS.

UNITED STATES SAMUEL D. GOODALE, OF CINCINNATI, OHIO, ASSIGNOR TO L. C.

AND D. O. GOODALE, OF SAME PLACE.

PATENT OFFICE.

STEREOSCOPIC APPARATUS.

Specification forming part of Letfers'Patent No. 40,794, dated December 1, 1863.

for public use. Figure l is a perspective view of a box and stand embodying my improvements. Fig. 2 is a perspective transverse section of the box. Figs. 3 and 4 are detached representations of the details of the blind-operating mechanism. Fig. 5 is an enlarged transverse section of the flaps.

The stand consists of a central stem, A. to

which legs B are secured by means of links 0' C, so that the stand when required for use shall open into the form represented in black in Fig. 1, and when done with shall be capable of-bl'ing folded up into a very compact form, asindicated by the red lines. per end of the stem A, being a conic frustum, enters a circular aperture in the bottom of the box D. r

The scene-operating. mechanism S having been substantially described in my patent of February 5, 1861, requires no specific-.explation.

E are visual apertures, closable by flapF hinged to the box at f.

G is my lens-holder, hinged to thebox atg, and closable by snap-catch H. The flap F is closable on the lens-holder G bys'napi catch 1, so that both flap and holder maybe folded up and closed simultaneously byasim gle movement of the hand, and may be both I at once opened. by simply releasing the flap.

The up-' J J. are blinds by which one or more pairs of visual apertures, E E, ma be closed at any moment by the exhibiter. ifiaeh blind is operated by a spring-catch, K or K, working in a segmental slot, L or L, in the box.

The reflectors M for night illumination are simply semi-cylindrical shells, having attachments for lamps, and when not in use may be stowed away in an inverted-position under the scene-holder S without interfering with the use of the latter. (See Fig. 2.)

Lips N N, beneath the box, afford a temporary receptacle for the covers 0, which, when the apparatus is not in use, serve to close the glazed openings P P I have selected to illustrate my invention a form adapted for the'use of four spectators at once, but the device may evidently be adapted to a less or to a greater number.

- I claim herein as new and of my invention- 1. The stand or tripod formed of the members A B- B- B O O C G G"(), as and for the purpose set forth.

The arrangement of hinged lens-holder G- g and flap F f, together with their catches H and I, both'holder'and flap being capable of being closed or opened by a single movement, in the manner described.

3. The arrangement-of blinds J J, catches K--K', and segmented slots L L, as set forth.

. 4. The arrangement of reflectors M, box D, I and scene-holders S. substantial lyas set forth;

5. The:- provision of lips N N beneath the box. for the purpose stated.

In testimony of which invention I hereunto setmy hand. I

SAMUEL D. GOQDALE;

Witnesses: y

' Gno. HIKNIGHT,

L. G. GOODALE.

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